clang/test/CoverageMapping/macro-expansion.c

   1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name macro-expansion.c %s | FileCheck %s
   2
   3 // CHECK: func
   4 // CHECK:      File 1, [[@LINE+7]]:12 -> [[@LINE+7]]:38 = #0
   5 // CHECK-NEXT: File 1, [[@LINE+6]]:15 -> [[@LINE+6]]:28 = (#0 + #2)
   6 // CHECK-NEXT: File 1, [[@LINE+5]]:21 -> [[@LINE+5]]:22 = (#0 + #2)
   7 // CHECK: Branch,File 1, [[@LINE+4]]:21 -> [[@LINE+4]]:22 = 0, 0
   8 // CHECK-NEXT: File 1, [[@LINE+3]]:24 -> [[@LINE+3]]:26 = #3
   9 // CHECK-NEXT: File 1, [[@LINE+2]]:36 -> [[@LINE+2]]:37 = (#0 + #2)
  10 // CHECK-NEXT: Branch,File 1, [[@LINE+1]]:36 -> [[@LINE+1]]:37 = 0, 0
  11 #define M1 do { if (0) {} } while (0)
  12 // CHECK-NEXT: File 2, [[@LINE+12]]:15 -> [[@LINE+12]]:41 = #0
  13 // CHECK-NEXT: File 2, [[@LINE+11]]:18 -> [[@LINE+11]]:31 = (#0 + #4)
  14 // CHECK-NEXT: File 2, [[@LINE+10]]:24 -> [[@LINE+10]]:25 = (#0 + #4)
  15 // CHECK: File 2, [[@LINE+9]]:27 -> [[@LINE+9]]:29 = #5
  16 // CHECK-NEXT: File 2, [[@LINE+8]]:39 -> [[@LINE+8]]:40 = (#0 + #4)
  17 // CHECK-NEXT: Branch,File 2, [[@LINE+7]]:39 -> [[@LINE+7]]:40 = 0, 0
  18 // CHECK-NEXT: File 3, [[@LINE+6]]:15 -> [[@LINE+6]]:41 = #0
  19 // CHECK-NEXT: File 3, [[@LINE+5]]:18 -> [[@LINE+5]]:31 = (#0 + #6)
  20 // CHECK-NEXT: File 3, [[@LINE+4]]:24 -> [[@LINE+4]]:25 = (#0 + #6)
  21 // CHECK: File 3, [[@LINE+3]]:27 -> [[@LINE+3]]:29 = #7
  22 // CHECK-NEXT: File 3, [[@LINE+2]]:39 -> [[@LINE+2]]:40 = (#0 + #6)
  23 // CHECK-NEXT: Branch,File 3, [[@LINE+1]]:39 -> [[@LINE+1]]:40 = 0, 0
  24 #define M2(x) do { if (x) {} } while (0)
  25 // CHECK-NEXT: File 4, [[@LINE+5]]:15 -> [[@LINE+5]]:38 = #0
  26 // CHECK-NEXT: File 4, [[@LINE+4]]:18 -> [[@LINE+4]]:28 = (#0 + #8)
  27 // CHECK-NEXT: Expansion,File 4, [[@LINE+3]]:20 -> [[@LINE+3]]:22 = (#0 + #8)
  28 // CHECK-NEXT: File 4, [[@LINE+2]]:36 -> [[@LINE+2]]:37 = (#0 + #8)
  29 // CHECK-NEXT: Branch,File 4, [[@LINE+1]]:36 -> [[@LINE+1]]:37 = 0, 0
  30 #define M3(x) do { M2(x); } while (0)
  31 // CHECK-NEXT: File 5, [[@LINE+4]]:15 -> [[@LINE+4]]:27 = #0
  32 // CHECK-NEXT: File 5, [[@LINE+3]]:16 -> [[@LINE+3]]:19 = #0
  33 // CHECK-NEXT: Branch,File 5, [[@LINE+2]]:16 -> [[@LINE+2]]:19 = #12, (#0 - #12)
  34 // CHECK-NEXT: File 5, [[@LINE+1]]:23 -> [[@LINE+1]]:26 = #12
  35 #define M4(x) ((x) && (x))
  36 // CHECK-NEXT: Branch,File 5, [[@LINE-1]]:23 -> [[@LINE-1]]:26 = #13, (#12 - #13)
  37 // CHECK-NEXT: File 6, [[@LINE+4]]:15 -> [[@LINE+4]]:27 = #0
  38 // CHECK-NEXT: File 6, [[@LINE+3]]:16 -> [[@LINE+3]]:19 = #0
  39 // CHECK-NEXT: Branch,File 6, [[@LINE+2]]:16 -> [[@LINE+2]]:19 = (#0 - #15), #15
  40 // CHECK-NEXT: File 6, [[@LINE+1]]:23 -> [[@LINE+1]]:26 = #15
  41 #define M5(x) ((x) || (x))
  42 // CHECK-NEXT: Branch,File 6, [[@LINE-1]]:23 -> [[@LINE-1]]:26 = (#15 - #16), #16
  43 // CHECK-NEXT: File 7, [[@LINE+1]]:15 -> [[@LINE+1]]:26 = #0
  44 #define M6(x) ((x) + (x))
  45 // CHECK-NEXT: Branch,File 7, [[@LINE-1]]:15 -> [[@LINE-1]]:26 = #17, (#0 - #17)
  46 // CHECK-NEXT: File 8, [[@LINE+1]]:15 -> [[@LINE+1]]:18 = #0
  47 #define M7(x) (x)
  48
  49 // Check for the expansion of M2 within M3.
  50 // CHECK-NEXT: Branch,File 8, [[@LINE-3]]:15 -> [[@LINE-3]]:18 = #18, (#0 - #18)
  51 // CHECK-NEXT: File 9, {{[0-9]+}}:15 -> {{[0-9]+}}:41 = (#0 + #8)
  52 // CHECK-NEXT: File 9, {{[0-9]+}}:18 -> {{[0-9]+}}:31 = ((#0 + #8) + #9)
  53 // CHECK-NEXT: File 9, {{[0-9]+}}:24 -> {{[0-9]+}}:25 = ((#0 + #8) + #9)
  54 // CHECK: File 9, {{[0-9]+}}:27 -> {{[0-9]+}}:29 = #10
  55 // CHECK-NEXT: File 9, {{[0-9]+}}:39 -> {{[0-9]+}}:40 = ((#0 + #8) + #9)
  56
  57 void func(int x) {
  58   if (x) {}
  59   M1;
  60   M2(!x);
  61   M2(x);
  62   M3(x);
  63   if (M4(x)) {}
  64   if (M5(x)) {}
  65   if (M6(x)) {}
  66   if (M7(x)) {}
  67 }
  68
  69 int main(int argc, const char *argv[]) {
  70   func(0);
  71 }